Home / 3,849.04-5,311.70-2,170.46

Finding the Fourth Proportional to 3,849.04, 5,311.70 and 2,170.46

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Solution

The fourth proportional to 3,849.04, 5,311.70 and 2,170.46 is: 2,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.04 : 5,311.70 = 2,170.46 : x
  2. Step 2: Convert to fraction form
    3,849.04/5,311.70 = 2,170.46/x
  3. Step 3: Cross multiply
    3,849.04x = 5,311.70 × 2,170.46
  4. Step 4: Simplify right side
    3,849.04x = 11,528,832.38
  5. Step 5: Solve for x
    x = 11,528,832.38/3,849.04
  6. Step 6: Final answer
    x = 2,995.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.